<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width,  initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no">
  <title>删除cookie</title>
</head>
<body>
  <br>
  <br>
  <br>
  
  <!-- <br> -->
  <!-- <br> -->
  <!-- <br> -->
  <!-- <button href="" id="btn2" style="font-size: 1.5em">点击删除wxOpenId</button> -->
  <!-- <br> -->
  <!-- <br> -->
  <br>
  <div id="show" style="
    word-break: break-all;
"></div>
</body>
<script type="text/javascript">
  //设置cookie
  function setCookie(c_name,value,expiredays, domain){
    var exdate=new Date();
    exdate.setDate(exdate.getDate()+expiredays);
    document.cookie= c_name+ "=" +escape(value)+";path=/"+ ";domain="+domain+ ((expiredays==null) ? "" : ";expires="+exdate.toGMTString());
  }
  //获取cookie
  function getCookie(c_name){
    if (document.cookie.length>0)
    {
      c_start=document.cookie.indexOf(c_name + "=")
      if (c_start!=-1)
      {
        c_start=c_start + c_name.length+1
        c_end=document.cookie.indexOf(";",c_start)
        if (c_end==-1) c_end=document.cookie.length
          return unescape(document.cookie.substring(c_start,c_end))
      }
    }
    return ""
  }

  // 清除cookie
  function clearCookie(name, domain) {
    setCookie(name, " ", -1, domain);
  }

  window.onload= function(){

    var oShow= document.getElementById("show");

    oShow.innerHTML= document.cookie.replace(/\;/gi, "<hr>")
	
	
    clearCookie('token', '29858960.qcloud.la');
    clearCookie('user_id', '29858960.qcloud.la');
    clearCookie('ismodel', '29858960.qcloud.la');
  }
</script>
</html>